WBJEE 2019 Math Solved Paper

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Question : 19 of 75

Marks: +1, -0

General solution of (x+y)2

dy

dx

=a2 , a ≠ 0 is (c is arbitrary constant)

x
a
=tan‌
y
a
+ c
tanxy = c
tan(x + y) = c
tan
y+c
a
=
x+y
a

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